koet-zner



(No Model.) J. J. KOET-ZNER.

PNEUMATIC TIRE. No. 533,820. Patented Feb. 5, 1895.

m WITNESSES: INVENTOH ai Z 17 /070 J fieiizwr:

A TTORNE YS.

tic rubber tube having an annular groove of vergent position to the side Walls of the groove an undercut or dovetail cross section pressed or pocket, substantially as and for the purpose from the exterior inwardly, a filling of redescribed.

sistant material, and a detachable covering JOHN J. KOETZNER. 5 for said pocket arranged upon the outside in Witnesses:

the circle of the outer periphery of the tube EDWD. WV. BYRN,

and having both its edges cemented in di- SOLoN C. KEMON. 

